Albert, D. J., Walsh, M. L., Gorzalka, B. B., Siemens, Y., & Louie, H. (1986). Testosterone removal in rats results in a decrease in social aggression and a loss of social dominance. Physiology & behavior, 36(3), 401-407.

Albert, D. J., Dyson, E. M., & Walsh, M. L. (1987). Intermale social aggression: reinstatement in castrated rats by implants of testosterone propionate in the medial hypothalamus. Physiology & behavior, 39(5), 555-560.

Berdoy, M., Smith, P., & Macdonald, D. W. (1995). Stability of social status in wild rats: age and the role of settled dominance. Behaviour, 132(3), 193-212.

Gao Pf, Cao Gq, Zhao Ht, Zhang Gx, Jiang Ys, Wang Qd. Molecular cloning and characterization of pigeon (Columba liva) ubiquitin and ubiquitin-conjugating enzyme genes from pituitary gland library. Int J Biol Sci 2009; 5(1):34-43. doi:10.7150/ijbs.5.34.

Huntingford, F. A., Metcalfe, N. B., Thorpe, J. E., Graham, W. D., & Adams, C. E. (1990). Social dominance and body size in Atlantic salmon parr, Salmo salar L. Journal of Fish Biology, 36(6), 877-881.

Marmot, M. G., Stansfeld, S., Patel, C., North, F., Head, J., White, I., ... & Smith, G. D. (1991). Health inequalities among British civil servants: the Whitehall II study. The Lancet, 337(8754), 1387-1393.

Miller, E. J., Eldridge, M. D., Cooper, D. W., & Herbert, C. A. (2010). Dominance, body size and internal relatedness influence male reproductive success in eastern grey kangaroos (Macropus giganteus). Reproduction, Fertility and Development, 22(3), 539-549.

Sapolsky, R. M. (1982). The endocrine stress-response and social status in the wild baboon. Hormones and behavior, 16(3), 279-292.

Schuurman, T. (1980). Hormonal correlates of agonistic behavior in adult male rats. Prog Brain Res, 53, 415-420.

Silk, J. B. (2007). The adaptive value of sociality in mammalian groups.Philosophical Transactions of the Royal Society of London B: Biological Sciences, 362(1480), 539-559.

Tinbergen, Niko (1963) "On Aims and Methods of Ethology," Zeitschrift für Tierpsychologie, 20: 410–433

Wang, F., Zhu, J., Zhu, H., Zhang, Q., Lin, Z., & Hu, H. (2011). Bidirectional control of social hierarchy by synaptic efficacy in medial prefrontal cortex. Science, 334(6056), 693-697.

Wang, F., Kessels, H. W., & Hu, H. (2014). The mouse that roared: neural mechanisms of social hierarchy. Trends in neurosciences, 37(11), 674-682.

Wingfield, J. C., Hegner, R. E., Dufty Jr, A. M., & Ball, G. F. (1990). The" challenge hypothesis": theoretical implications for patterns of testosterone secretion, mating systems, and breeding strategies. American Naturalist, 829-846.

Video: Stress, Portrait of a Killer. National Geographic